Skip to content

Course home

2.3 Probability

2.3 Probability

EasyMediumHard
123456789101112131415161718
Question 18

A tennis player puts a first serve in with probability 0.65 and then wins the point with probability 0.81. If the first serve is not in, the player puts a second serve in with probability 0.84 and then wins with probability 0.59. A point is lost if the second serve is not in.

a.

Draw a probability tree for this model.

[3]
b.

Find the probability that the player wins the point.

[2]
Markscheme

2.3 Probability Questions

  1. A Level
  2. /Maths
  3. /2.3 Probability

36 exam-style questions on WJEC A Level Maths 2.3 Probability, covering 2.3.1 Probability and 2.3.2 Probability. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank